CN103181842B - Plate layer sclerotome for department of ophthalmology - Google Patents
Plate layer sclerotome for department of ophthalmology Download PDFInfo
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- CN103181842B CN103181842B CN201310097367.5A CN201310097367A CN103181842B CN 103181842 B CN103181842 B CN 103181842B CN 201310097367 A CN201310097367 A CN 201310097367A CN 103181842 B CN103181842 B CN 103181842B
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- sclera
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Abstract
The invention discloses a plate layer sclerotome for department of ophthalmology. The plate layer sclerotome comprises a cutting knife for stripping off the sclera with a right-angle U-shaped cut and a limiting frame which is in sliding clamping connection with the cutting knife with single degree of freedom along the stripping feeding direction and used for limiting the stripping thickness. According to the plate layer sclerotome for the department of ophthalmology, disclosed by the invention, the feeding of the cutting knife can be effectively limited through the limiting frame, the consistent stripping thickness of the sclera can be ensured, the occurrence of rupture situation of the sclera flap can be avoided, the difficulty in surgical operation can be reduced, the operation efficiency can be improved, and the operation quality and the success rate can be further ensured.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, relate in particular to a kind of ophthalmic flaggy sclerectome that can limit eyeball sclera cover thickness.
Background technology
Glaucoma is a kind of ophthalmology common disease and frequently-occurring disease, at ophthalmology, is primary irreversible blinding oculopathy.Most morbidity concealments, also can acute onset, hazardness is large.Feature is exactly that intraocular pressure interruption or persistence rising cause optic nerve and visual function damage, show as optic atrophy, constriction of visual field, visual deterioration, can cause permanent losing the sight of both eyes late period, and part acute glaucoma can cause irreversibility blind after outbreak in a few hours.Trabeculectomy is to treat at present one of the most frequently used operation of extensively carrying out in operation for glaucoma, generally carry out according to the following steps: 1. do Bulbar conjunctiva, 2. make scleral flap, 3. trabecular resection (peeling off sclera flaggy 1/2 thickness), 4. periphery iridectomize, 5. sew up scleral flap, 6. recover anterior chamber, 7. stitch ball conjunctiva wound.While wherein carrying out step 3, first on sclera, make the right angle U-shaped otch that the degree of depth is scleral thickness 1/2, then by artificial hand-held cutter, peel off, and in prior art, extensively employing is a kind of is peeled off sclera with the cutter that the handle being fixedly connected with it forms by flat shovel shape blade, feed is manually controlled by operator completely, not only operation easier is large, impact operation efficiency, and be difficult to reach released part consistency of thickness, sometimes also can cause scleral flap to break, the subsequent operation of impact operation, cannot guarantee perform the operation quality and success rate.
Therefore, for addressing the above problem, need to for peeling off the cutter of eyeball sclera, be improved existing, while making to peel off feed, can effectively limit stripping depth, guarantee sclera released part consistency of thickness, avoid the scleral flap situation of breaking to occur, reduce operation technique difficulty, improve operation efficiency, guarantee operation quality and success rate.
Summary of the invention
In view of this, the object of this invention is to provide a kind of ophthalmic flaggy sclerectome, by cutter and position-limited rack, formed, by position-limited rack, can effectively limit the feed of cutter, guarantee that sclera cover thickness is consistent, avoid the scleral flap situation of breaking to occur, reduce operation technique difficulty, improve operation efficiency, guarantee operation quality and success rate.
Ophthalmic flaggy sclerectome of the present invention, comprises for to cutting out cutter that the sclera of right angle U-shaped otch peels off and along peeling off machining direction and described cutter single-degree-of-freedom slip clamping for limiting the position-limited rack of cover thickness.
Further, described cutter comprises cutter head and for promoting described cutter head to peel off the handle of a knife of sclera; Described cutter head comprises that length is consistent with right angle U-shaped kerf width and is fixed on blade end and extends upward for the vertical connector with position-limited rack single-degree-of-freedom slip clamping with vertical with the corresponding blade that is made as spheric of sclera release surface;
Further, the plate face of vertically winning in succession and vertically winning in succession that described vertical connector is slab construction is parallel to peels off machining direction setting;
Further, described position-limited rack comprises be made as sphere tabular limiting plate corresponding to scleral surface; Described limiting plate even thickness is also provided with for insert the also bar hole of single-degree-of-freedom slip clamping for vertically winning in succession along peeling off machining direction;
Further, described handle of a knife is attached thereto by vertically winning in succession of cutter head and is removable connection;
Further, described handle of a knife comprises and shaft-like push away handle front end described in pushing away handle and being fixed on and vertically win in succession and be close to laterally winning in succession of limiting plate end face for being connected;
Further, describedly laterally win in succession and vertically win in succession by socket clamping;
Further, described vertically winning in succession correspondingly with blade both ends arranges two, and the bar hole on corresponding limiting plate also correspondingly one by one arranges two with vertically winning in succession; Two are also fixed with the transverse slat beam that is made as spheric corresponding to scleral surface between vertically winning in succession, described transverse slat soffit needs cover thickness consistent to the distance of blade end face with sclera, and the socket of vertically winning in succession is to distance and the limiting plate consistency of thickness of transverse slat top surface of the beam;
Further, described outside of vertically winning in succession is fixed with wing plate along transverse slat beam place curved surface;
Further, described position-limited rack also comprises the hand holding handle being fixedly connected with limiting plate.
The invention has the beneficial effects as follows: ophthalmic flaggy sclerectome of the present invention, by cutter and position-limited rack, formed, by position-limited rack, can effectively limit the feed of cutter, can guarantee that sclera cover thickness is consistent, avoid the scleral flap situation of breaking to occur, reduce operation technique difficulty, improve operation efficiency, guarantee operation quality and success rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is cutter structural representation;
Fig. 2 is spacing shelf structure schematic diagram.
The specific embodiment
Fig. 1 is cutter structural representation, Fig. 2 is spacing shelf structure schematic diagram, as shown in the figure: the ophthalmic flaggy sclerectome of the present embodiment, comprise for to cutting out cutter 1 that the sclera of right angle U-shaped otch peels off and along peeling off machining direction and the 1 single-degree-of-freedom slip clamping of described cutter for limiting the position-limited rack 2 of cover thickness, position-limited rack 2 is consistent with cutter 1 slip access section surface profile and eyeball scleral surface, by making cutter 1 along the slip access section surface sliding feed of position-limited rack 2, can effectively control sclera cover thickness, interface arrangment can be connected in the positioning checkpoint that position-limited rack 2 makes cutter 1 slide along surface, access section single-degree-of-freedom and realizes by arranging to slide on cutter 1, positioning checkpoint can adopt alignment pin or other clamp structures, all can realize the object of the invention.
In the present embodiment, described cutter 1 comprises cutter head 11 and for promoting described cutter head 11 to peel off the handle of a knife 12 of sclera; Described cutter head 11 comprises that length is consistent with right angle U-shaped kerf width and is fixed on blade 111 ends and extends upward for the vertical connector with position-limited rack 2 single-degree-of-freedom slip clampings with vertical with the corresponding blade 111 that is made as spheric of sclera release surface; The cutter head 11 that during use, operator manually control cutter 1 is cut on request sclera and is played cutter, then the corresponding vertical connector of position-limited rack 2 and machining direction being put in to eyeball scleral surface fixes and makes it and vertical connector single-degree-of-freedom slip clamping, last operation personnel manually promote handle of a knife 12 makes cutter head 11 slide sclera is peeled off along position-limited rack 2 single-degree-of-freedoms, simple, convenient, be beneficial to and improve operation efficiency, guarantee operation quality and success rate.
In the present embodiment, described vertical connector is slab construction vertically win in succession 112 and 112 the plate face of vertically winning in succession be parallel to and peel off machining direction setting, adopt the vertical connector of plate structure to be convenient to realize the single-degree-of-freedom slip clamping of itself and position-limited rack 2, and syndeton is stable, is difficult for sideslip stuck.
In the present embodiment, described position-limited rack 2 comprises be made as sphere tabular limiting plate 21 corresponding to scleral surface; Described limiting plate 21 even thickness are also provided with for the bar hole 211 for vertically win in succession 112 insertions single-degree-of-freedom slip clamping along peeling off machining direction; Vertically win in succession after 112 insertion bar holes 211 can by alignment pin or can with clamp and the limiting plate 21 slip clampings of vertically winning 112 clampings location in succession and coordinating with limiting plate 21 surface slidings; Also the handle of a knife of cutter 1 12 can be made as to dismountable structure with cutter head 11 and handle of a knife 12 is set and be connected with cutter head 11 by 112 parts of stretching out outside bar hole 211 of vertically winning in succession, after playing cutter, pull down handle of a knife 12, by limiting plate 21 correspondences vertically win in succession 112 and machining direction be put in eyeball scleral surface and fix, then handle of a knife 12 is connected in and vertically wins 112 in succession simultaneously by handle of a knife 12 and coordinating of limiting plate 21 surfaces making vertically to win in succession 112 and whole cutter head 11 and limiting plate 21 single-degree-of-freedom slip clampings, can simplify cutter 1 structure, make it to be easy to realize with the slip clamping of limiting plate 21 simultaneously; The position-limited rack 2 of the present embodiment can be used for reference the structure of disclosed Position Scale in patent application 201210137590.3, not only can reduce sclerectome design and manufacture cost, can also guarantee that the disclosed operation for glaucoma cutter of sclerectome and patent application 201210137590.3 cuts out right angle U-shaped incision size and conforms to.
In the present embodiment, described handle of a knife 12 112 is attached thereto and for removable connection by vertically winning in succession of cutter head 11, after playing cutter, pull down handle of a knife 12, by limiting plate 21 correspondences vertically win in succession 112 and machining direction be put in eyeball scleral surface and fix, then handle of a knife 12 is connected in and vertically wins 112 in succession simultaneously by handle of a knife 12 and coordinating of limiting plate 21 surfaces making vertically to win in succession 112 and whole cutter head 11 and limiting plate 21 single-degree-of-freedom slip clampings.
In the present embodiment, described handle of a knife 12 comprise shaft-like push away described in pushing away handle 121 and being fixed on handle 121 front ends for be connected vertically win in succession 112 and be close to limiting plate 21 end faces laterally win 122 in succession, 122 the plate face of can making laterally to win in succession is parallel with limiting plate 21 end faces, rational in infrastructure, the opposite direction that can peel off machining direction in 112 correspondences of vertically winning in succession arranges horizontal draw-in groove, to in this draw-in groove of 122 insertions of laterally winning in succession, realize handle of a knife 12 and vertically win 112 be connected in succession, promote handle of a knife 12 and make laterally to win in succession and 122 along limiting plate 21 surface slidings, can complete sclera and peel off.
In the present embodiment, described laterally win in succession 122 with vertically win 112 in succession by socket clamping, the opposite direction that 112 correspondences of vertically winning in succession are peeled off machining direction arranges horizontal draw-in groove, direction and horizontal draw-in groove that 122 correspondences of laterally winning in succession are peeled off feed arrange vertical draw-in groove, by horizontal draw-in groove and vertical draw-in groove to insert is connected realization laterally win in succession 122 with vertically win 112 be connected in succession, can make laterally to win in succession 122 and vertically win in succession and between 112, carry out mutually spacingly, syndeton is stable.
In the present embodiment, described vertically winning in succession 112 correspondingly with blade 111 both ends arranges two, and the bar hole 211 on corresponding limiting plate 21 also 112 correspondingly one by one arranges two with vertically winning in succession; Two vertically win in succession is also fixed with the transverse slat beam 13 that is made as spheric corresponding to scleral surface between 112, described transverse slat beam 13 bottom surfaces need cover thickness consistent to the distance of blade 111 end faces with sclera, 112 socket vertically win in succession to distance and limiting plate 21 consistency of thickness of transverse slat beam 13 end faces, laterally win in succession on 122 and vertically to win in succession and 112 corresponding two vertical draw-in grooves are set with two; Cutter head 11 structural strengths of the present embodiment are high, are difficult for deformed damaged, and stressed even, serviceability is good; While peeling off, transverse slat beam 13 slides between sclera and limiting plate 21, the thickness of transverse slat beam 13 departs from scleral surface limiting plate 21, to peeling off feed path, cause certain influence, for reducing its impact, guarantee to peel off precision, can, by the thickness that reduces transverse slat beam 13 in allowed band, be set to superthin structure.
In the present embodiment, described 112 the outside of vertically winning in succession is fixed with wing plate 14 along transverse slat beam 13 place curved surfaces, while peeling off, wing plate 14 is close to U-shaped otch Outboard Sections surface, sclera right angle, by wing plate 14, cutter 1 cover thickness can be further limited with contacting of this part scleral surface, operation precision can be improved.
In the present embodiment, described position-limited rack 2 also comprises the hand holding handle 22 being fixedly connected with limiting plate 21, is convenient to control and the location of limiting plate 21.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. an ophthalmic flaggy sclerectome, is characterized in that: comprise for to cutting out cutter that the sclera of right angle U-shaped otch peels off and along peeling off machining direction and described cutter single-degree-of-freedom slip clamping for limiting the position-limited rack of cover thickness; Described cutter comprises cutter head and for promoting described cutter head to peel off the handle of a knife of sclera; Described cutter head comprises that length is consistent with right angle U-shaped kerf width and is fixed on blade end and extends upward for the vertical connector with position-limited rack single-degree-of-freedom slip clamping with vertical with the corresponding blade that is made as spheric of sclera release surface; The plate face of vertically winning in succession and vertically winning in succession that described vertical connector is slab construction is parallel to peels off machining direction setting; Described position-limited rack comprises be made as sphere tabular limiting plate corresponding to scleral surface; Described limiting plate even thickness is also provided with for insert the also bar hole of single-degree-of-freedom slip clamping for vertically winning in succession along peeling off machining direction; Described vertically winning in succession correspondingly with blade both ends arranges two, and the bar hole on corresponding limiting plate also correspondingly one by one arranges two with vertically winning in succession; Two are also fixed with the transverse slat beam that is made as spheric corresponding to scleral surface between vertically winning in succession, described transverse slat soffit needs cover thickness consistent to the distance of blade end face with sclera, and the socket of vertically winning in succession is to distance and the limiting plate consistency of thickness of transverse slat top surface of the beam.
2. ophthalmic flaggy sclerectome according to claim 1, is characterized in that: described handle of a knife is attached thereto by vertically winning in succession of cutter head and is removable connection.
3. ophthalmic flaggy sclerectome according to claim 2, is characterized in that: described handle of a knife comprises and shaft-like push away handle front end described in pushing away handle and being fixed on and vertically win in succession and be close to laterally winning in succession of limiting plate end face for being connected.
4. ophthalmic flaggy sclerectome according to claim 3, is characterized in that: describedly laterally win in succession and vertically win in succession by socket clamping.
5. ophthalmic flaggy sclerectome according to claim 4, is characterized in that: described outside of vertically winning in succession is fixed with wing plate along transverse slat beam place curved surface.
6. ophthalmic flaggy sclerectome according to claim 5, is characterized in that: described position-limited rack also comprises the hand holding handle being fixedly connected with limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097367.5A CN103181842B (en) | 2013-03-25 | 2013-03-25 | Plate layer sclerotome for department of ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097367.5A CN103181842B (en) | 2013-03-25 | 2013-03-25 | Plate layer sclerotome for department of ophthalmology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103181842A CN103181842A (en) | 2013-07-03 |
| CN103181842B true CN103181842B (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097367.5A Expired - Fee Related CN103181842B (en) | 2013-03-25 | 2013-03-25 | Plate layer sclerotome for department of ophthalmology |
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| Country | Link |
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| CN (1) | CN103181842B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3077101A1 (en) | 2017-06-13 | 2018-12-20 | Innfocus, Inc. | Systems, methods, and apparatus for treatment of glaucoma |
| US20200113735A1 (en) * | 2018-10-12 | 2020-04-16 | Eran Kaplan | Device for performing surgical manipulation of the sclera |
| CN112998942B (en) * | 2021-02-08 | 2022-03-15 | 青岛大学附属医院 | Combined type pterygium surgical resection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501274A (en) * | 1981-03-12 | 1985-02-26 | Finn Skjaerpe | Microsurgical instrument |
| US5342370A (en) * | 1993-03-19 | 1994-08-30 | University Of Miami | Method and apparatus for implanting an artifical meshwork in glaucoma surgery |
| US6623497B1 (en) * | 1998-08-12 | 2003-09-23 | Vladimir Feingold | Keratome without applanator |
| RU2331393C1 (en) * | 2007-03-13 | 2008-08-20 | Федеральное государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Федерального агентства по здравоохранению и социальному развитию" | Knife for performing antiglaucomatous operations |
| CN102256572A (en) * | 2008-12-26 | 2011-11-23 | 马尼株式会社 | Medical knife |
| CN202437457U (en) * | 2012-02-19 | 2012-09-19 | 朱鸿 | Novel sclera flap stripping tool |
| CN102697597A (en) * | 2012-05-04 | 2012-10-03 | 中国人民解放军第三军医大学第一附属医院 | Operating knife for glaucoma operation and positioning scale thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8876745B2 (en) * | 2008-03-24 | 2014-11-04 | Alcon Research Ltd. | Streamlined ultrasonic device and method of use |
-
2013
- 2013-03-25 CN CN201310097367.5A patent/CN103181842B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501274A (en) * | 1981-03-12 | 1985-02-26 | Finn Skjaerpe | Microsurgical instrument |
| US5342370A (en) * | 1993-03-19 | 1994-08-30 | University Of Miami | Method and apparatus for implanting an artifical meshwork in glaucoma surgery |
| US6623497B1 (en) * | 1998-08-12 | 2003-09-23 | Vladimir Feingold | Keratome without applanator |
| RU2331393C1 (en) * | 2007-03-13 | 2008-08-20 | Федеральное государственное учреждение "Межотраслевой научно-технический комплекс "Микрохирургия глаза" имени академика С.Н. Федорова Федерального агентства по здравоохранению и социальному развитию" | Knife for performing antiglaucomatous operations |
| CN102256572A (en) * | 2008-12-26 | 2011-11-23 | 马尼株式会社 | Medical knife |
| CN202437457U (en) * | 2012-02-19 | 2012-09-19 | 朱鸿 | Novel sclera flap stripping tool |
| CN102697597A (en) * | 2012-05-04 | 2012-10-03 | 中国人民解放军第三军医大学第一附属医院 | Operating knife for glaucoma operation and positioning scale thereof |
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| Publication number | Publication date |
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| CN103181842A (en) | 2013-07-03 |
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Granted publication date: 20141210 Termination date: 20190325 |